My minecraft just crashed, what is minidumps

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1. A fatal error has been detected by the Java Runtime Environment:
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2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff9ca575812, pid=7672, tid=9820
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_51-b16) (build 1.8.0_51-b16)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig9icd64.dll+0x3f5812]
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7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
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8. If you would like to submit a bug report, please visit:
9. http://bugreport.java.com/bugreport/crash.jsp
10. The crash happened outside the Java Virtual Machine in native code.
11. See problematic frame for where to report the bug.
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--------------- T H R E A D ---------------

Current thread (0x0000000002962800): JavaThread "Render thread" [_thread_in_native, id=9820, stack(0x0000000002850000,0x0000000002950000)]

siginfo: ExceptionCode=0xc0000005, reading address 0x0000000000000008

Registers:
RAX=0x0000000000000000, RBX=0x00000000302975c0, RCX=0x0000000000000008, RDX=0x0000000000000000
RSP=0x000000000294d580, RBP=0x000000000294d720, RSI=0x0000000028100080, RDI=0x00000000000003a0
R8 =0x00000000302992a4, R9 =0x000000000000015c, R10=0x0000000000000000, R11=0x0000000000000001
R12=0x0000000000000000, R13=0x000000000000015c, R14=0x0000000030f97200, R15=0x0000000030fed380
RIP=0x00007ff9ca575812, EFLAGS=0x0000000000010246

Top of Stack: (sp=0x000000000294d580)
0x000000000294d580: 0000000000020000 0000000000000000
0x000000000294d590: fffffffffffffffe 00000000302dfcc0
0x000000000294d5a0: 00000000302dfcc0 00007ff9ca586277
0x000000000294d5b0: 0000b80200010000 000000000001e201
0x000000000294d5c0: 0000000000000000 00007ff9ca21dd82
0x000000000294d5d0: 0000000030292680 00000cd9d0a3e135
0x000000000294d5e0: 0000000028100080 0000000030fed380
0x000000000294d5f0: 0000000000000000 000000000294d720
0x000000000294d600: 0000000028134760 0000000030fed2d0
0x000000000294d610: 0000000030292030 00007ff9ca593671
0x000000000294d620: 0000000030299298 0000000030fed380
0x000000000294d630: 0000000030fdbf50 000000000000015c
0x000000000294d640: 00000000302975c0 00000000302992a4
0x000000000294d650: 0000000000000020 00000000302971b8
0x000000000294d660: 0000000000000000 0000000000000000
0x000000000294d670: 0000000000000000 0000000000000000

Instructions: (pc=0x00007ff9ca575812)
0x00007ff9ca5757f2: c0 74 0a 41 80 be 38 01 00 00 00 74 07 b9 10 00
0x00007ff9ca575802: 00 00 eb 05 b9 08 00 00 00 49 8b 86 a0 04 00 00
0x00007ff9ca575812: 48 8b 14 01 48 85 d2 74 1d 48 83 ba 98 00 00 00
0x00007ff9ca575822: 00 74 13 48 8b d6 49 8b ce e8 c0 89 ca ff 48 8b

Register to memory mapping:

RAX=0x0000000000000000 is an unknown value
RBX=0x00000000302975c0 is an unknown value
RCX=0x0000000000000008 is an unknown value
RDX=0x0000000000000000 is an unknown value
RSP=0x000000000294d580 is pointing into the stack for thread: 0x0000000002962800
RBP=0x000000000294d720 is pointing into the stack for thread: 0x0000000002962800
RSI=0x0000000028100080 is an unknown value
RDI=0x00000000000003a0 is an unknown value
R8 =0x00000000302992a4 is an unknown value
R9 =0x000000000000015c is an unknown value
R10=0x0000000000000000 is an unknown value
R11=0x0000000000000001 is an unknown value
R12=0x0000000000000000 is an unknown value
R13=0x000000000000015c is an unknown value
R14=0x0000000030f97200 is an unknown value
R15=0x0000000030fed380 is an unknown value

Stack: [0x0000000002850000,0x0000000002950000], sp=0x000000000294d580, free space=1013k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [ig9icd64.dll+0x3f5812]
C [ig9icd64.dll+0x413671]
C [ig9icd64.dll+0x99f1d]
C [ig9icd64.dll+0x88639]
C [ig9icd64.dll+0x51f9d3]
C [ig9icd64.dll+0x1cf93c]
C [ig9icd64.dll+0x9bf90c]
C 0x000000000315da0f

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J 5315 org.lwjgl.opengl.GL11C.glDrawArrays(III)V (0 bytes) @ 0x000000000315d989 [0x000000000315d940+0x49]
J 18779 C2 dgk.a(Ljava/nio/ByteBuffer;ILdgs;I)V (37 bytes) @ 0x0000000004a2abc8 [0x0000000004a2a9c0+0x208]
J 18992 C2 dgk.a(Ldgj;)V (54 bytes) @ 0x0000000003f78ec8 [0x0000000003f78be0+0x2e8]
J 10080 C2 dgp.b()V (15 bytes) @ 0x000000000337e6ec [0x000000000337e240+0x4ac]
J 21864 C2 dfh.e(IIZ)V (337 bytes) @ 0x0000000005d896c8 [0x0000000005d87140+0x2588]
J 23833 C2 dky.e(Z)V (955 bytes) @ 0x00000000052b7ce8 [0x00000000052b64e0+0x1808]
j dky.c(Ldpq;)V+43
j dky.b(Ldpq;)V+47
j dky.l()V+60
j dky.d()V+200
j net.minecraft.client.main.Main.main([Ljava/lang/String;)V+1305
v ~StubRoutines::call_stub

--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
0x0000000021349800 JavaThread "Sound engine" daemon [_thread_blocked, id=1432, stack(0x0000000022930000,0x0000000022a30000)]
0x000000001e3d2000 JavaThread "Worker-13" daemon [_thread_blocked, id=11192, stack(0x0000000025a20000,0x0000000025b20000)]
0x0000000021346800 JavaThread "Netty Server IO #1" daemon [_thread_in_native, id=6860, stack(0x0000000039900000,0x0000000039a00000)]
0x0000000021342000 JavaThread "Netty Local Client IO #0" daemon [_thread_blocked, id=10892, stack(0x0000000038cb0000,0x0000000038db0000)]
0x0000000021348000 JavaThread "Netty Server IO #0" daemon [_thread_in_native, id=6756, stack(0x0000000038bb0000,0x0000000038cb0000)]
0x0000000021343800 JavaThread "ObjectCleanerThread" daemon [_thread_blocked, id=4852, stack(0x0000000037980000,0x0000000037a80000)]
0x0000000021349000 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=4976, stack(0x0000000037880000,0x0000000037980000)]
0x000000001e3d7000 JavaThread "Snooper Timer" daemon [_thread_blocked, id=1756, stack(0x0000000032790000,0x0000000032890000)]
0x000000001ea5b800 JavaThread "Narrator" [_thread_blocked, id=1112, stack(0x0000000033b00000,0x0000000033c00000)]
0x0000000022b69800 JavaThread "Timer hack thread" daemon [_thread_blocked, id=9636, stack(0x0000000023ab0000,0x0000000023bb0000)]
0x000000001eab4000 JavaThread "Snooper Timer" daemon [_thread_blocked, id=5880, stack(0x000000001f9e0000,0x000000001fae0000)]
0x000000001c740800 JavaThread "Service Thread" daemon [_thread_blocked, id=6336, stack(0x000000001dad0000,0x000000001dbd0000)]
0x000000001c6dc800 JavaThread "C1 CompilerThread2" daemon [_thread_blocked, id=7040, stack(0x000000001d9d0000,0x000000001dad0000)]
0x000000001c6d4000 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=8400, stack(0x000000001d8d0000,0x000000001d9d0000)]
0x000000001c687800 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=2280, stack(0x000000001d7d0000,0x000000001d8d0000)]
0x000000001c6d2000 JavaThread "Attach Listener" daemon [_thread_blocked, id=8248, stack(0x000000001d6d0000,0x000000001d7d0000)]
0x000000001c6d1800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=7080, stack(0x000000001d5d0000,0x000000001d6d0000)]
0x000000001c6d0800 JavaThread "Surrogate Locker Thread (Concurrent GC)" daemon [_thread_blocked, id=1396, stack(0x000000001d4d0000,0x000000001d5d0000)]
0x0000000019f6a800 JavaThread "Finalizer" daemon [_thread_blocked, id=644, stack(0x000000001d3c0000,0x000000001d4c0000)]
0x0000000019f67800 JavaThread "Reference Handler" daemon [_thread_blocked, id=9568, stack(0x000000001d2c0000,0x000000001d3c0000)]
=>0x0000000002962800 JavaThread "Render thread" [_thread_in_native, id=9820, stack(0x0000000002850000,0x0000000002950000)]

Other Threads:
0x0000000019f63000 VMThread [stack: 0x000000001d1c0000,0x000000001d2c0000] [id=10856]
0x000000001c74c000 WatcherThread [stack: 0x000000001dbd0000,0x000000001dcd0000] [id=6964]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap:
garbage-first heap total 1212416K, used 454689K [0x0000000700000000, 0x0000000702000128, 0x00000007c0000000)
region size 32768K, 4 young (131072K), 0 survivors (0K)
Metaspace used 77075K, capacity 87204K, committed 87292K, reserved 1124352K
class space used 10526K, capacity 12730K, committed 12796K, reserved 1048576K

Heap Regions: (Y=young(eden), SU=young(survivor), HS=humongous(starts), HC=humongous(continues), CS=collection set, F=free, TS=gc time stamp, PTAMS=previous top-at-mark-start, NTAMS=next top-at-mark-start)
AC 0 O TS 0 PTAMS 0x0000000700000000 NTAMS 0x0000000700000000 space 32768K, 99% used [0x0000000700000000, 0x0000000702000000)
AC 0 O TS 0 PTAMS 0x0000000702000000 NTAMS 0x0000000702000000 space 32768K, 99% used [0x0000000702000000, 0x0000000704000000)
AC 0 O TS 0 PTAMS 0x0000000704000000 NTAMS 0x0000000704000000 space 32768K, 100% used [0x0000000704000000, 0x0000000706000000)
AC 0 O TS 0 PTAMS 0x0000000706000000 NTAMS 0x0000000706000000 space 32768K, 99% used [0x0000000706000000, 0x0000000708000000)
AC 0 O TS 0 PTAMS 0x0000000708000000 NTAMS 0x0000000708000000 space 32768K, 100% used [0x0000000708000000, 0x000000070a000000)
AC 0 O TS 0 PTAMS 0x000000070a000000 NTAMS 0x000000070a000000 space 32768K, 99% used [0x000000070a000000, 0x000000070c000000)
AC 0 O TS 0 PTAMS 0x000000070c000000 NTAMS 0x000000070c000000 space 32768K, 99% used [0x000000070c000000, 0x000000070e000000)
AC 0 O TS 0 PTAMS 0x000000070e000000 NTAMS 0x000000070e000000 space 32768K, 99% used [0x000000070e000000, 0x0000000710000000)
AC 0 O TS 0 PTAMS 0x0000000710000000 NTAMS 0x0000000710000000 space 32768K, 99% used [0x0000000710000000, 0x0000000712000000)
AC 0 O TS 0 PTAMS 0x0000000712000000 NTAMS 0x0000000712000000 space 32768K, 99% used [0x0000000712000000, 0x0000000714000000)
AC 0 O TS 0 PTAMS 0x0000000714000000 NTAMS 0x0000000714000000 space 32768K, 87% used [0x0000000714000000, 0x0000000716000000)
AC 0 F TS 0 PTAMS 0x0000000716000000 NTAMS 0x0000000716000000 space 32768K, 0% used [0x0000000716000000, 0x0000000718000000)
AC 0 F TS 0 PTAMS 0x0000000718000000 NTAMS 0x0000000718000000 space 32768K, 0% used [0x0000000718000000, 0x000000071a000000)
AC 0 F TS 0 PTAMS 0x000000071a000000 NTAMS 0x000000071a000000 space 32768K, 0% used [0x000000071a000000, 0x000000071c000000)
AC 0 F TS 0 PTAMS 0x000000071c000000 NTAMS 0x000000071c000000 space 32768K, 0% used [0x000000071c000000, 0x000000071e000000)
AC 0 F TS 0 PTAMS 0x000000071e000000 NTAMS 0x000000071e000000 space 32768K, 0% used [0x000000071e000000, 0x0000000720000000)
AC 0 F TS 0 PTAMS 0x0000000720000000 NTAMS 0x0000000720000000 space 32768K, 0% used [0x0000000720000000, 0x0000000722000000)
AC 0 F TS 0 PTAMS 0x0000000722000000 NTAMS 0x0000000722000000 space 32768K, 0% used [0x0000000722000000, 0x0000000724000000)
AC 0 F TS 0 PTAMS 0x0000000724000000 NTAMS 0x0000000724000000 space 32768K, 0% used [0x0000000724000000, 0x0000000726000000)
AC 0 F TS 0 PTAMS 0x0000000726000000 NTAMS 0x0000000726000000 space 32768K, 0% used [0x0000000726000000, 0x0000000728000000)
AC 0 F TS 0 PTAMS 0x0000000728000000 NTAMS 0x0000000728000000 space 32768K, 0% used [0x0000000728000000, 0x000000072a000000)
AC 0 F TS 0 PTAMS 0x000000072a000000 NTAMS 0x000000072a000000 space 32768K, 0% used [0x000000072a000000, 0x000000072c000000)
AC 0 F TS 0 PTAMS 0x000000072c000000 NTAMS 0x000000072c000000 space 32768K, 0% used [0x000000072c000000, 0x000000072e000000)
AC 0 F TS 0 PTAMS 0x000000072e000000 NTAMS 0x000000072e000000 space 32768K, 0% used [0x000000072e000000, 0x0000000730000000)
AC 0 F TS 0 PTAMS 0x0000000730000000 NTAMS 0x0000000730000000 space 32768K, 0% used [0x0000000730000000, 0x0000000732000000)
AC 0 F TS 0 PTAMS 0x0000000732000000 NTAMS 0x0000000732000000 space 32768K, 0% used [0x0000000732000000, 0x0000000734000000)
AC 0 F TS 0 PTAMS 0x0000000734000000 NTAMS 0x0000000734000000 space 32768K, 0% used [0x0000000734000000, 0x0000000736000000)
AC 0 F TS 0 PTAMS 0x0000000736000000 NTAMS 0x0000000736000000 space 32768K, 0% used [0x0000000736000000, 0x0000000738000000)
AC 0 F TS 0 PTAMS 0x0000000738000000 NTAMS 0x0000000738000000 space 32768K, 0% used [0x0000000738000000, 0x000000073a000000)
AC 0 F TS 0 PTAMS 0x000000073a000000 NTAMS 0x000000073a000000 space 32768K, 0%